Those are the words you will hear while waiting in the queue at Alpengeist. The video playing overhead tells the story of the legendary snow beast rumored to terrorize the Swiss mountains. Alpengeist, German for 'Ghost of the Alps,' has thrilled guests for more than 13 years, since opening on March 22, 1997.

Alpengeist is still the world's tallest and fastest full-circuit inverted roller coaster. What does full-circuit mean exactly?